| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 20 litre container (1 - 20 litres) | 154 |
15.4%
|
| 2 | 2 - 3 20 litre containers (21 - 60 litres) | 247 |
24.7%
|
| 3 | 4 - 5 20 litre containers (61 - 100 litres) | 161 |
16.1%
|
| 4 | 6 - 7 20 litre containers (101 ? 140 litres) | 79 |
7.9%
|
| 5 | 8 - 9 20 litre containers (141 ? 200 litres) | 93 |
9.3%
|
| 6 | 11 20 litre containers or more (200 + litres) | 249 |
24.9%
|
| 7 | Don't know | 11 |
1.1%
|
| 9 | Unspecified | 4 |
0.4%
|